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Coefficients Certificate Value
R(.01) Rtpw
a a5, a6, a7, a8, a9,
a10, or a11
b b5, b6, b7, b8 or b9
cc6orc7
dd
a4 a4 or a5
b4 b4 or b5
Consider the following examples.
Example 1:
A PRT was calibrated to ITS-90 and its calibration certificate states values for
coefficients R(273.16K), a4, b4, a8, and b8. Set the instrument's coefficients to
the certificate values as follows.
Coefficients Certificate Value
R(.01) R(273.16K)
aa8
bb8
c0.0
d0.0
a4 a4
b4 b4
Example 2:
A PRT was calibrated to ITS-90 and its calibration certificate states values for
coefficients R(273.16K), a5, and b5. Set the instrument's coefficients to the cer
-
tificate values as follows.
1522 Handheld Thermometer Readout
User’s Guide
42